package week2;
import java.util.Scanner;
public class Dongtai {
	public static void main(String[] args) {
	String[9][9] arrs;
	Scanner sc=new Scanner(System.in);
	int n=Integer.parseInt(sc.nextLine());
	for(int i=0;i<n;i++)
		for(int j=0;j<n;j++)
	}
	
	
}
